Commit 209f4e70 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf report/top: Add 'k' hotkey to zoom directly into the kernel map 



As a convenience, equivalent to pressing Enter in a line with a kernel
symbol and then selecting "Zoom" into the kernel DSO.

Reviewed-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-vbnlnrpyfvz9deqoobtc3dz7@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 632003f4

tools/perf/ui/browsers/hists.c

+8 −1
Original line number Diff line number Diff line
@@ -18,7 +18,9 @@ 
#include "../../util/evlist.h"

#include "../../util/header.h"

#include "../../util/hist.h"

#include "../../util/machine.h"

#include "../../util/map.h"

#include "../../util/maps.h"

#include "../../util/symbol.h"

#include "../../util/map_symbol.h"

#include "../../util/branch.h"
@@ -2566,7 +2568,7 @@ add_dso_opt(struct hist_browser *browser, struct popup_action *act, 
	if (!hists__has(browser->hists, dso) || map == NULL)

		return 0;



	if (asprintf(optstr, "Zoom %s %s DSO",

	if (asprintf(optstr, "Zoom %s %s DSO (use the 'k' hotkey to zoom directly into the kernel)",

		     browser->hists->dso_filter ? "out of" : "into",

		     __map__is_kernel(map) ? "the Kernel" : map->dso->short_name) < 0)

		return 0;
@@ -2936,6 +2938,7 @@ static int perf_evsel__hists_browse(struct evsel *evsel, int nr_events, 
	"E             Expand all callchains\n"				\

	"F             Toggle percentage of filtered entries\n"		\

	"H             Display column headers\n"			\

	"k             Zoom into the kernel map\n"			\

	"L             Change percent limit\n"				\

	"m             Display context menu\n"				\

	"S             Zoom into current Processor Socket\n"		\
@@ -3033,6 +3036,10 @@ static int perf_evsel__hists_browse(struct evsel *evsel, int nr_events, 
			actions->ms.map = map;

			do_zoom_dso(browser, actions);

			continue;

		case 'k':

			if (browser->selection != NULL)

				hists_browser__zoom_map(browser, browser->selection->maps->machine->vmlinux_map);

			continue;

		case 'V':

			verbose = (verbose + 1) % 4;

			browser->show_dso = verbose > 0;

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